mxs: clock: print error messages in get_clk() functions in case of parameter errors

diff --git a/arch/arm/cpu/arm926ejs/mxs/clock.c b/arch/arm/cpu/arm926ejs/mxs/clock.c
index 8e103a9e509bd5cca8c9b37173b043509d0c8cc2..5bcd6e2614a8a9fdf0f0dfefa395cbc9a5a36e2b 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mxs/clock.c
+++ b/arch/arm/cpu/arm926ejs/mxs/clock.c
@@ -169,9 +169,11 @@ static uint32_t mx28_get_ioclk(enum mxs_ioclock io)
        uint8_t ret;
        int io_reg;
 
-       if ((io < MXC_IOCLK0) || (io > MXC_IOCLK1))
+       if ((io < MXC_IOCLK0) || (io > MXC_IOCLK1)) {
+               printf("%s: IO clock selector %u out of range %u..%u\n",
+                       __func__, io, MXC_IOCLK0, MXC_IOCLK1);
                return 0;
-
+       }
        io_reg = CLKCTRL_FRAC0_IO0 - io;        /* Register order is reversed */
 
        ret = readb(&clkctrl_regs->hw_clkctrl_frac0[io_reg]) &
@@ -315,6 +317,8 @@ uint32_t mxc_get_clock(enum mxc_clock clk)
                return mx28_get_sspclk(MXC_SSPCLK3);
        case MXC_XTAL_CLK:
                return XTAL_FREQ_KHZ * 1000;
+       default:
+               printf("Invalid clock selector %u\n", clk);
        }
 
        return 0;